Luminescence properties of PbF2:Yb-Er nanoparticles synthesized by two different original routes

被引：14
作者：
Labeguerie, J. [2 ]
Dantelle, G. [1 ]
Gredin, P. [2 ]
Mortier, M. [1 ]
机构：
[1] ENSCP, LCMCP, UMR 7574, F-75231 Paris 05, France
[2] UPMC, LCMCP, UMR 7574, F-75252 Paris 05, France
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 451卷 / 1-2期
关键词：
nanostructured materials; optical materials; rare-earth alloys and compounds; chemical synthesis; nanofabrication; NANOCRYSTALS; CERAMICS;
D O I：
10.1016/j.jallcom.2007.04.111
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
PbF2:Yb-Er nanoparticles were synthesized by two different ways: a pseudo-micellar route and the selective dissolution of the oxide glassy matrix of an oxyfluoride composite glass-ceramic obtained by Yb-Er induced nucleation of PbF2 inside the GeO2:PbO:PbF2 glass. Both nanoparticles exhibit strong visible up-conversion fluorescence after infrared excitation. S-4(3/2) level lifetime of Er3+ ions reflects the high specific surface of the particles and their ability to adsorb quenching centres. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：563 / 566
页数：4
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